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Stock-based Compensation - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation       $ 1,213 $ 1,238
Expected cost on shares expected to vest   $ 5,138   $ 5,138  
Recognition period for compensation expense not yet recognized       3 years 8 months 12 days  
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation   386 $ 558    
Restricted Stock | Vesting period one          
Share-based Compensation Arrangement by Share-based Payment Award          
Vesting period       3 years  
Restricted Stock | Vesting period two | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award          
Vesting period       1 year  
Performance Share Units          
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation   $ 386 $ 558    
Vesting period       3 years  
Performance Share Units | Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award          
Vesting period 5 years        
Stock price threshold, period 30 days